package com.atguigu.gulimall.order.web;

import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {
    @Autowired
    OrderService orderService;
    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        //展示订单数据
        OrderConfirmVo confirmOrder = orderService.confirmOrder();
        model.addAttribute("orderConfirmVo",confirmOrder);
        //订单确认页
        return "confirm";
    }

    /**
     * 下单功能 ，提交表单，创建订单-验证令牌-验证价格-锁库存-下单成功 去支付选择页 下单失败 回到订单确认页重新确认
     * @param vo
     * @return
     */
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){
        SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
        if (responseVo.getCode()==0){
            //支付成功了 去支付选择也
            model.addAttribute("submitOrderResp",responseVo);
            return "pay";
        }else {
            String msg = "下单失败";
            switch (responseVo.getCode()){
                case 1 : msg += "，令牌校验失败，订单信息过期，重新提交试试";break;
                case 2 : msg += "，订单商品价格发生变化，重新确认后再次提交";break;
                case 3 : msg += "，库存锁定失败，库存商品不足，请重新选择商品";break;
            }
            redirectAttributes.addFlashAttribute("msg",msg);
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }
}
